(2014). HARD-TO-SURVEY population. Cambridge University Press.
Chicago-čujuhus (17. p.)HARD-TO-SURVEY Population. Cambridge University Press, 2014.
MLA-čujuhus (9. p.)HARD-TO-SURVEY Population. Cambridge University Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.